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A 61-year-old patient was referred 12 days postoperative with complex, infected, and dehisced paraspinal wound. After debridement and revision of hardware, deep dead space was eliminated through bilateral paraspinal muscle flap advancement. After hardware coverage, a large skin and tissue defect remained. The defect was reconstructed using a modified Keystone flap, eliminating the lateral cutaneous incision. Our patient healed without complication. The modified Keystone flap is an option for reconstructing spinal wound defects, yieldin